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| View Record | Name | Regiment Name Expanded | Side | Regiment State/Origin |
|---|---|---|---|---|
William H. Onderdonk | Union | New York | ||
D. Wellington Onderdonk | Union | New York | ||
James Onderdonk | Union | New York | ||
Justus Onderdonk | Union | New York | ||
Wm. H. Onderdonk | Union | New York | ||
James D. Onderdonk | Union | New York | ||
William M. Onderdonk | Union | New York | ||
John W. Onderdonk | Union | New York | ||
William H. Onderdonk | Union | New York | ||
Thomas Onderdonk | Union | New York | ||
Benjamin F. Onderdonk | Union | New York | ||
Benjamin F. Onderdonk | Union | New York | ||
Leonard F. Onderdonk | Union | New Jersey | ||
John R. Onderdonk | Union | Union Volunteers | ||
John R. Onderdonk | Union | New Jersey | ||
James B. Onderdonk | Union | New Jersey | ||
Charles S. Onderdonk | Union | Wisconsin | ||
Hartley W. Onderdonk | Union | Wisconsin | ||
George E. Onderdonk | Union | Wisconsin | ||
D. Wellington Onderdonk | Union | Maryland |